diff --git a/platform/darwin/test/MGLDocumentationExampleTests.swift b/platform/darwin/test/MGLDocumentationExampleTests.swift
index 7d6bdbed5..5b17e3387 100644
--- a/platform/darwin/test/MGLDocumentationExampleTests.swift
+++ b/platform/darwin/test/MGLDocumentationExampleTests.swift
@@ -480,6 +480,7 @@ class MGLDocumentationExampleTests: XCTestCase, MGLMapViewDelegate {
         //#-end-example-code
         
         wait(for: [expectation], timeout: 5)
+        _ = image
     }
     
     func testMGLCluster() {